/*-----------------------------------------------------------------------/
/  Low level disk interface modlue include file   (C)ChaN, 2019          /
/-----------------------------------------------------------------------*/

#ifndef _DISKIO_DEFINED
#define _DISKIO_DEFINED

#ifdef __cplusplus
extern "C" {
#endif

/* Status of Disk Functions */
typedef BYTE DSTATUS;

/* Results of Disk Functions */
typedef enum {
	RES_OK = 0, /* 0: Successful */
	RES_ERROR, /* 1: R/W Error */
	RES_WRPRT, /* 2: Write Protected */
	RES_NOTRDY, /* 3: Not Ready */
	RES_PARERR /* 4: Invalid Parameter */
} DRESULT;

/*---------------------------------------*/
/* Prototypes for disk control functions */

DSTATUS disk_initialize(BYTE pdrv);
DSTATUS disk_status(BYTE pdrv);
DRESULT disk_read(BYTE pdrv, BYTE *buff, LBA_t sector, UINT count);
DRESULT disk_write(BYTE pdrv, const BYTE *buff, LBA_t sector, UINT count);
DRESULT disk_ioctl(BYTE pdrv, BYTE cmd, void *buff);

/* Disk Status Bits (DSTATUS) */

#define STA_NOINIT 0x01 /* Drive not initialized */
#define STA_NODISK 0x02 /* No medium in the drive */
#define STA_PROTECT 0x04 /* Write protected */

/* Command code for disk_ioctrl fucntion */

/* Generic command (Used by FatFs) */
#define CTRL_SYNC \
	0 /* Complete pending write process (needed at FF_FS_READONLY == 0) */
#define GET_SECTOR_COUNT 1 /* Get media size (needed at FF_USE_MKFS == 1) */
#define GET_SECTOR_SIZE \
	2 /* Get sector size (needed at FF_MAX_SS != FF_MIN_SS) */
#define GET_BLOCK_SIZE 3 /* Get erase block size (needed at FF_USE_MKFS == 1) */
#define CTRL_TRIM \
	4 /* Inform device that the data on the block of sectors is no longer used (needed at FF_USE_TRIM == 1) */

/* Generic command (Not used by FatFs) */
#define CTRL_POWER 5 /* Get/Set power status */
#define CTRL_LOCK 6 /* Lock/Unlock media removal */
#define CTRL_EJECT 7 /* Eject media */
#define CTRL_FORMAT 8 /* Create physical format on the media */

/* MMC/SDC specific ioctl command */
#define MMC_GET_TYPE 10 /* Get card type */
#define MMC_GET_CSD 11 /* Get CSD */
#define MMC_GET_CID 12 /* Get CID */
#define MMC_GET_OCR 13 /* Get OCR */
#define MMC_GET_SDSTAT 14 /* Get SD status */
#define ISDIO_READ 55 /* Read data form SD iSDIO register */
#define ISDIO_WRITE 56 /* Write data to SD iSDIO register */
#define ISDIO_MRITE 57 /* Masked write data to SD iSDIO register */

/* ATA/CF specific ioctl command */
#define ATA_GET_REV 20 /* Get F/W revision */
#define ATA_GET_MODEL 21 /* Get model name */
#define ATA_GET_SN 22 /* Get serial number */

#ifdef __cplusplus
}
#endif

#endif
